to have a personal reason to complain or criticize
不平や批判をする個人的な理由がある (fuhei ya hihan o suru kojinteki na riyu ga aru)
"She has an axe to grind with her former employer."
"彼女は以前の雇用主に対して個人的な不満を持っている。" (kanojo wa izen no koyonushi ni taishite kojinteki na fuman o motte iru)
a strong desire to travel or move around
to make a decision based on your feelings
to work extremely fast and efficiently on programming
to reduce the time needed for something
to prepare for something
unauthorized access to confidential information